The Free MBOX to EML converter can successfully serve as Thunderbird to EML transfer utility. It supported to convert mbox files saved on Unix, MAC OS systems as it powered by special correcting module. User should perform two easy steps to convert mbox file into multiple eml files - choose the source mbox file and then point to the empty directory at the hard drive to save eml files. The program will done extracting and display you the entry processing log. After that you will be able to use Outlook Import Wizard ( http://www.outlookimport.com ) to move extracted eml files into Outlook or just drag them into Outlook Express.